Finding the Fourth Proportional to 209,821.37, 289,553.43 and 114,327.99
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Solution
The fourth proportional to 209,821.37, 289,553.43 and 114,327.99 is: 157,772.60
Step by Step Solution
- Step 1: Write the proportion equation
209,821.37 : 289,553.43 = 114,327.99 : x - Step 2: Convert to fraction form
209,821.37/289,553.43 = 114,327.99/x - Step 3: Cross multiply
209,821.37x = 289,553.43 × 114,327.99 - Step 4: Simplify right side
209,821.37x = 33,104,061,649.51 - Step 5: Solve for x
x = 33,104,061,649.51/209,821.37 - Step 6: Final answer
x = 157,772.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.